QOJ.ac
QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #766685 | #7962. 前缀和 | yzy_21 | AC ✓ | 0ms | 3876kb | C++14 | 234b | 2024-11-20 18:13:33 | 2024-11-20 18:13:35 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main() {
int n, l, r;
double p;
cin >> n >> p >> l >> r;
cout << fixed << setprecision(7) << (r - l + 1) * p << "\n";
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3876kb
input:
3 0.5 1 2
output:
1.0000000
result:
ok found '1.0000000', expected '1.0000000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3792kb
input:
1 0.529148 1 1
output:
0.5291480
result:
ok found '0.5291480', expected '0.5291480', error '0.0000000'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3792kb
input:
1000000000 0.592692 495948205 808386938
output:
185179938.1319280
result:
ok found '185179938.1319280', expected '185179938.1320000', error '0.0000000'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3736kb
input:
362633210 0.587463 165288121 324679823
output:
93636728.0194890
result:
ok found '93636728.0194890', expected '93636728.0195000', error '0.0000000'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3796kb
input:
763961137 0.360268 233953864 630625466
output:
142908085.0696040
result:
ok found '142908085.0696040', expected '142908085.0700000', error '0.0000000'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3660kb
input:
1000000000 0.999999 1 1000000000
output:
999999000.0000000
result:
ok found '999999000.0000000', expected '999999000.0000000', error '0.0000000'